Ключевые слова: acid, active, adventure, aggressive, beach, blue, canyon, carthage, central, coast, conservation, costa rica, costa rica volcano, crater, dangerous, delicious, desert, earthquake, emerald, environmental, eruption, geology, green, hill, irazu, lake, landscape, mountain, mountains, national park, nature, net, ocean, panorama, rash, rock, sand, seismic, sky, stone, toilet, tourism, travel, vegetation, volcanic, volcano, volcanology, wash,